docs: def add_common_files_to_file_list(self):
          '''
              The (several thousands) common-disease files from the repo tarball
              are added to the files object.
              try adding the 'common-disease-mondo' files as well?
  
          '''
          repo_dir = '/'.join((self.rawdir, 'git'))
          common_disease_dir = '/'.join((
              repo_dir,
              'monarch-initiative-hpo-annotation-*', 'common-diseases-mondo/*.tab'))
  
          # add the files to the self.files object
          filelist = glob.glob(common_disease_dir)
          fcount = 0
          for small_file in filelist:
              if small_file[-4:] == '.tab':
                  fcount += 1
                  self.files[
                      'common' + str(fcount).zfill(7)] = {
                          'file': '/'.join((common_disease_dir, small_file)),
                      }
          LOG.info("Found %d common disease files", fcount)
  
          return